Great for everyday erasing of dry erase markers. The cloth lifts and traps marker dust and cleans dry erase surfaces without the use of sprays or chemicals. It can be machine-washed and will continue to perform on dry erase surfaces without the need to use chemicals. Board Eraser Application: All Dry Erase; Eraser Pad Material: Fabric; Eraser Width: 10.63"; Eraser Depth: 10.63".